/* ══ CHAM-SOC-DA — Phòng khám Da liễu & Skincare Clinic ══ */
/* Identity: CLEAN-CORPORATE (adapted for medical-beauty)   */
/* Font: DM Sans only | Tone: light/white dominant          */
/* Accent: Teal #2d8a7a | Nav: Always Solid Light (Nav-2)  */
/* Hero: Centered Minimal (H4) | Prefix: csd-              */
/* Differs from spa-beauty: white nav (not transparent),    */
/*   rectangular buttons, teal palette, clinical sections   */

:root {
  --bg: #f7faf9;
  --surface: #ffffff;
  --dark: #0c0b09;
  --dark2: #0f1e1c;
  --border: #ddeae6;
  --border-light: #eaf4f1;
  --text: #121c1a;
  --text-2: #5a706b;
  --text-3: #9ab5ae;
  --accent: #2d8a7a;
  --accent-h: #226b5e;
  --accent-light: #e8f4f0;
  --accent-mid: #3daa96;
  --mint: #f0faf7;
  --mint2: #e0f2ec;
  --warm: #f5faf8;
  --warm2: #e8f0ed;
  --sans: 'DM Sans', sans-serif;
  --bs-body-font-family: var(--sans);
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text);
  --bs-border-color: var(--border);
}

/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
img { display: block; max-width: 100%; }
a { text-decoration: none; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: var(--accent-mid); border-radius: 4px; opacity: .5; }

/* ── Layout ── */
.wd-container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(20px,5vw,80px); }
.csd-sec { padding: clamp(72px,10vw,120px) 0; }

/* ── Reveal — uses data-reveal attribute ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .72s cubic-bezier(.16,1,.3,1), transform .72s cubic-bezier(.16,1,.3,1);
}
[data-reveal].visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .1s; }
[data-reveal][data-delay="2"] { transition-delay: .2s; }
[data-reveal][data-delay="3"] { transition-delay: .3s; }
[data-reveal][data-delay="4"] { transition-delay: .4s; }

/* ══════════════════════════════════════
   NAV — Nav-2: Always Solid Light
   White background at all times,
   thin bottom border, no scroll toggle
══════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 var(--border-light);
  transition: box-shadow .3s;
}
#nav.elevated {
  box-shadow: 0 4px 24px rgba(45,138,122,.09);
}
.csd-nav-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.csd-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.3px;
  flex-shrink: 0;
}
.csd-logo-mark {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.csd-logo-mark svg { width: 18px; height: 18px; fill: #fff; }
.csd-logo-name { color: var(--text); }
.csd-logo-name span { color: var(--accent); }
.csd-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.csd-nav-links a {
  font-size: 13.5px;
  font-weight: 400;
  color: var(--text-2);
  padding: 6px 14px;
  border-radius: 6px;
  transition: color .18s, background .18s;
}
.csd-nav-links a:hover,
.csd-nav-links a.active {
  color: var(--accent);
  background: var(--accent-light);
}
.csd-nav-cta {
  font-size: 13.5px;
  font-weight: 500;
  background: var(--accent);
  color: #fff;
  padding: 9px 22px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  transition: background .2s, transform .2s;
  flex-shrink: 0;
}
.csd-nav-cta:hover { background: var(--accent-h); transform: translateY(-1px); color: #fff; }
.csd-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: transparent;
}
.csd-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: all .3s;
}
.csd-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.csd-burger.open span:nth-child(2) { opacity: 0; }
.csd-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.csd-mob-menu {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(12px);
  z-index: 490;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.csd-mob-menu.open { opacity: 1; pointer-events: auto; }
.csd-mob-menu a {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-2);
  transition: color .2s;
}
.csd-mob-menu a:hover { color: var(--accent); }
.csd-mob-menu .csd-mob-cta {
  font-size: 15px;
  background: var(--accent);
  color: #fff;
  padding: 14px 40px;
  border-radius: 8px;
  margin-top: 8px;
}
@media (max-width: 768px) {
  .csd-nav-links, .csd-nav-cta { display: none; }
  .csd-burger { display: flex; }
}

/* ── Section header — clinical style ── */
.csd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  margin-bottom: 12px;
}
.csd-eyebrow::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.csd-title {
  font-size: clamp(26px,3.8vw,44px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.12;
  letter-spacing: -.7px;
  margin-bottom: 14px;
}
.csd-title em { color: var(--accent); font-style: normal; font-weight: 300; }
.csd-sub {
  font-size: 15px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 520px;
}
.csd-sub.centered { margin: 0 auto; }

/* ── Buttons — rectangular, clinical ── */
.csd-btn-accent {
  font-size: 14px;
  font-weight: 500;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  transition: background .2s, transform .18s;
  display: inline-block;
}
.csd-btn-accent:hover { background: var(--accent-h); transform: translateY(-1px); color: #fff; }
.csd-btn-ghost {
  font-size: 14px;
  font-weight: 400;
  background: transparent;
  color: var(--text-2);
  padding: 12px 28px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-family: var(--sans);
  transition: all .2s;
  display: inline-block;
}
.csd-btn-ghost:hover { background: var(--mint); border-color: var(--accent); color: var(--accent); }
.csd-btn-outline-white {
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  border: 1.5px solid rgba(255,255,255,.35);
  cursor: pointer;
  font-family: var(--sans);
  transition: all .2s;
  display: inline-block;
}
.csd-btn-outline-white:hover { background: rgba(255,255,255,.1); color: #fff; }

/* ══════════════════════════════════════
   PAGE HERO — H4: Centered Minimal
   Light bg, no dark overlay, centered
   text, floating product/clinic image
══════════════════════════════════════ */
.csd-page-hero {
  padding: calc(68px + clamp(40px,6vw,72px)) 0 clamp(40px,5vw,64px);
  background: var(--mint);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.csd-ph-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid var(--mint2);
  padding: 5px 14px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.csd-ph-title {
  font-size: clamp(28px,4vw,52px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -.8px;
  margin-bottom: 14px;
}
.csd-ph-title em { color: var(--accent); font-style: normal; }
.csd-ph-sub {
  font-size: clamp(14px,1.4vw,16px);
  font-weight: 300;
  color: var(--text-2);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ══════════════════════════════════════
   HERO (index.html) — H4: Centered Minimal
   White/mint bg, huge heading centered,
   clinic product image floating right
══════════════════════════════════════ */
.csd-hero {
  min-height: 100vh;
  background: var(--surface);
  display: flex;
  align-items: center;
  padding-top: 68px;
  position: relative;
  overflow: hidden;
}
.csd-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  background: linear-gradient(145deg, #e8f6f2 0%, #f0faf7 60%, #fff 100%);
  border-radius: 0 0 0 80px;
  z-index: 0;
}
.csd-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}
.csd-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.csd-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-mid);
  animation: csd-pulse 2.2s infinite;
}
@keyframes csd-pulse { 0%,100%{opacity:1} 50%{opacity:.25} }
.csd-hero-h1 {
  font-size: clamp(40px,5.5vw,76px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.07;
  letter-spacing: -1.4px;
  margin-bottom: 20px;
}
.csd-hero-h1 em {
  color: var(--accent);
  font-style: normal;
  font-weight: 300;
}
.csd-hero-p {
  font-size: clamp(15px,1.5vw,17px);
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 460px;
  margin-bottom: 32px;
}
.csd-hero-trust {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.csd-ht-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--text-3);
}
.csd-ht-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}
.csd-hero-image-wrap {
  position: relative;
}
.csd-hero-main-img {
  width: 100%;
  border-radius: 20px;
  object-fit: cover;
  aspect-ratio: 4/5;
  display: block;
}
.csd-hero-badge {
  position: absolute;
  bottom: 24px;
  left: -20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 12px 40px rgba(45,138,122,.12);
  min-width: 180px;
}
.csd-hero-badge-num {
  font-size: 26px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
}
.csd-hero-badge-label {
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 3px;
  font-weight: 300;
}
.csd-hero-badge2 {
  position: absolute;
  top: 24px;
  right: -16px;
  background: var(--accent);
  border-radius: 10px;
  padding: 10px 16px;
  box-shadow: 0 8px 28px rgba(45,138,122,.25);
}
.csd-hero-badge2-text {
  font-size: 12px;
  font-weight: 500;
  color: #fff;
}
.csd-hero-badge2-sub {
  font-size: 10.5px;
  color: rgba(255,255,255,.65);
  margin-top: 2px;
}

/* ══════════════════════════════════════
   SECTION: Skin Problems — FEATURE-ICON-ROW
══════════════════════════════════════ */
.csd-problem-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.csd-pi-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 4px;
  flex-shrink: 0;
}
.csd-pi-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.2px;
}
.csd-pi-desc {
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.65;
}

/* ══════════════════════════════════════
   SECTION: Technologies — BENTO GRID
══════════════════════════════════════ */
.csd-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(160px, auto);
  gap: 16px;
}
.csd-bento-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s;
}
.csd-bento-cell:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(45,138,122,.1);
}
.csd-bc-1 { grid-column: span 7; grid-row: span 2; }
.csd-bc-2 { grid-column: span 5; }
.csd-bc-3 { grid-column: span 5; }
.csd-bc-4 { grid-column: span 4; }
.csd-bc-5 { grid-column: span 4; }
.csd-bc-6 { grid-column: span 4; }
.csd-bento-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 200px;
}
.csd-bento-content {
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.csd-bc-tech-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.csd-bc-tech-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.3px;
  line-height: 1.2;
  margin-bottom: 8px;
}
.csd-bc-tech-desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 14px;
}
.csd-bc-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 4px;
  align-self: flex-start;
}
@media (max-width: 768px) {
  .csd-bento { grid-template-columns: 1fr 1fr; grid-auto-rows: auto; }
  .csd-bc-1, .csd-bc-2, .csd-bc-3, .csd-bc-4, .csd-bc-5, .csd-bc-6 {
    grid-column: span 2;
  }
}
@media (max-width: 480px) {
  .csd-bento { grid-template-columns: 1fr; }
  .csd-bc-1, .csd-bc-2, .csd-bc-3, .csd-bc-4, .csd-bc-5, .csd-bc-6 {
    grid-column: span 1;
  }
}

/* ══════════════════════════════════════
   SECTION: Doctors — GRID-CARDS clinical
══════════════════════════════════════ */
.csd-doctor-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .28s, box-shadow .28s;
}
.csd-doctor-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 48px rgba(45,138,122,.1);
}
.csd-doc-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform .5s ease;
}
.csd-doctor-card:hover .csd-doc-img { transform: scale(1.04); }
.csd-doc-body {
  padding: 18px 20px;
  border-top: 1px solid var(--border-light);
}
.csd-doc-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
  letter-spacing: -.2px;
}
.csd-doc-role {
  font-size: 12.5px;
  font-weight: 400;
  color: var(--accent);
  margin-bottom: 8px;
}
.csd-doc-exp {
  font-size: 12px;
  font-weight: 300;
  color: var(--text-3);
}
.csd-doc-tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 9px;
  border-radius: 4px;
  margin-top: 8px;
}

/* ══════════════════════════════════════
   SECTION: Treatment Process — TIMELINE
══════════════════════════════════════ */
.csd-timeline {
  position: relative;
  padding-left: 0;
  list-style: none;
  margin: 0;
}
.csd-timeline::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, var(--border) 100%);
}
.csd-tl-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding-bottom: 36px;
  position: relative;
}
.csd-tl-item:last-child { padding-bottom: 0; }
.csd-tl-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 5px var(--bg);
}
.csd-tl-body {}
.csd-tl-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -.2px;
  margin-top: 9px;
}
.csd-tl-desc {
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.7;
}

/* ══════════════════════════════════════
   SECTION: Before/After — ALTERNATING STRIPS
══════════════════════════════════════ */
.csd-ba-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  padding: clamp(32px,5vw,56px) 0;
  border-bottom: 1px solid var(--border-light);
}
.csd-ba-row:last-child { border-bottom: none; }
.csd-ba-row.reversed { direction: rtl; }
.csd-ba-row.reversed > * { direction: ltr; }
.csd-ba-imgs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.csd-ba-img-wrap { position: relative; }
.csd-ba-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}
.csd-ba-label {
  position: absolute;
  bottom: 10px;
  left: 10px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 4px;
}
.csd-ba-label.before { background: rgba(0,0,0,.55); color: rgba(255,255,255,.8); }
.csd-ba-label.after { background: var(--accent); color: #fff; }
.csd-ba-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.6px;
  margin-bottom: 10px;
}
.csd-ba-title {
  font-size: clamp(20px,2.5vw,28px);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.4px;
  margin-bottom: 10px;
  line-height: 1.15;
}
.csd-ba-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 16px;
}
.csd-ba-meta {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-3);
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
  margin-top: 12px;
}
@media (max-width: 768px) {
  .csd-ba-row { grid-template-columns: 1fr; }
  .csd-ba-row.reversed { direction: ltr; }
}

/* ══════════════════════════════════════
   STAT BAR
══════════════════════════════════════ */
.csd-stat-bar {
  background: var(--dark2);
  padding: clamp(40px,6vw,64px) 0;
}
.csd-stat-item { text-align: center; }
.csd-stat-num {
  font-size: clamp(32px,4vw,52px);
  font-weight: 600;
  color: var(--accent-mid);
  letter-spacing: -1.5px;
  line-height: 1;
  margin-bottom: 6px;
}
.csd-stat-label {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,.4);
}
.csd-stat-divider {
  width: 1px;
  align-self: stretch;
  background: rgba(255,255,255,.07);
  margin: 8px 0;
}
@media (max-width: 576px) { .csd-stat-divider { display: none; } }

/* ══════════════════════════════════════
   REVIEWS — clinical style
══════════════════════════════════════ */
.csd-review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  height: 100%;
  border-top: 3px solid var(--accent);
  transition: box-shadow .25s;
}
.csd-review-card:hover {
  box-shadow: 0 12px 36px rgba(45,138,122,.08);
}
.csd-rv-stars {
  color: #f59e0b;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.csd-rv-condition {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 9px;
  border-radius: 4px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: .8px;
}
.csd-rv-text {
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 18px;
  font-style: italic;
}
.csd-rv-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}
.csd-rv-av {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.csd-rv-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}
.csd-rv-meta { font-size: 11.5px; color: var(--text-3); }

/* ══════════════════════════════════════
   SERVICE CARDS (dich-vu.html)
══════════════════════════════════════ */
.csd-svc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
  transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s;
}
.csd-svc-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 50px rgba(45,138,122,.1);
}
.csd-svc-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.csd-svc-card:hover .csd-svc-img { transform: scale(1.05); }
.csd-svc-body { padding: 20px; }
.csd-svc-category {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 8px;
}
.csd-svc-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -.3px;
  line-height: 1.2;
}
.csd-svc-desc {
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 14px;
}
.csd-svc-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
  gap: 8px;
}
.csd-svc-price {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}
.csd-svc-duration {
  font-size: 12px;
  font-weight: 300;
  color: var(--text-3);
}

/* PRICING TABLE */
.csd-price-table {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.csd-pt-head {
  background: var(--dark2);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.csd-pt-head-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.csd-pt-head-name {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.2px;
}
.csd-pt-head-sub {
  font-size: 12px;
  color: rgba(255,255,255,.45);
  font-weight: 300;
}
.csd-pt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-light);
  transition: background .15s;
}
.csd-pt-row:last-child { border-bottom: none; }
.csd-pt-row:hover { background: var(--mint); }
.csd-pt-service {
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
}
.csd-pt-service small {
  display: block;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 300;
  margin-top: 2px;
}
.csd-pt-price {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

/* ══════════════════════════════════════
   BOOKING FORM (dat-lich.html)
══════════════════════════════════════ */
.csd-form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: clamp(24px,4vw,44px);
  box-shadow: 0 20px 60px rgba(45,138,122,.08);
}
.csd-form-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.4px;
  margin-bottom: 4px;
}
.csd-form-sub {
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-3);
  margin-bottom: 28px;
}
.csd-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .6px;
}
.csd-input {
  width: 100%;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 300;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  transition: border-color .18s, box-shadow .18s;
  outline: none;
  display: block;
}
.csd-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45,138,122,.1);
  background: var(--surface);
}
.csd-input::placeholder { color: var(--text-3); }
textarea.csd-input { resize: vertical; min-height: 90px; }
select.csd-input { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239ab5ae' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.csd-form-group { margin-bottom: 18px; }
.csd-checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.csd-skin-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--text-2);
  transition: all .18s;
  user-select: none;
  font-family: var(--sans);
}
.csd-skin-opt input { display: none; }
.csd-skin-opt.selected,
.csd-skin-opt:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}
.csd-info-panel {
  background: var(--mint);
  border: 1px solid var(--mint2);
  border-radius: 14px;
  padding: 24px;
}
.csd-info-panel-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.csd-info-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.csd-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.6;
}
.csd-info-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 7px;
  flex-shrink: 0;
}
.csd-opening-hours { list-style: none; padding: 0; margin: 0; }
.csd-oh-item {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-2);
  font-weight: 300;
}
.csd-oh-item:last-child { border-bottom: none; }
.csd-oh-item strong { font-weight: 500; color: var(--text); }

/* ══════════════════════════════════════
   CONTACT PAGE (lien-he.html)
══════════════════════════════════════ */
.csd-contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}
.csd-contact-info-item:last-child { border-bottom: none; }
.csd-ci-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.csd-ci-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-3);
  margin-bottom: 4px;
}
.csd-ci-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}
.csd-ci-value a { color: var(--text); transition: color .18s; }
.csd-ci-value a:hover { color: var(--accent); }
.csd-ci-sub {
  font-size: 12.5px;
  font-weight: 300;
  color: var(--text-3);
  margin-top: 2px;
}
.csd-map-wrap {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/9;
  background: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 14px;
  font-weight: 300;
  text-align: center;
}

/* ══════════════════════════════════════
   CTA SECTION
══════════════════════════════════════ */
.csd-cta {
  background: var(--accent);
  padding: clamp(64px,9vw,96px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.csd-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.06) 0%, transparent 60%);
}
.csd-cta::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 60px solid rgba(255,255,255,.05);
}
.csd-cta-title {
  font-size: clamp(24px,4vw,46px);
  font-weight: 600;
  color: #fff;
  letter-spacing: -.8px;
  line-height: 1.1;
  margin-bottom: 12px;
  position: relative;
}
.csd-cta-sub {
  font-size: 15px;
  font-weight: 300;
  color: rgba(255,255,255,.7);
  margin-bottom: 28px;
  position: relative;
}
.csd-btn-white {
  font-size: 14px;
  font-weight: 500;
  background: #fff;
  color: var(--accent);
  padding: 13px 32px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  transition: all .2s;
  display: inline-block;
  position: relative;
}
.csd-btn-white:hover { background: var(--mint); color: var(--accent); transform: translateY(-1px); }

/* ══════════════════════════════════════
   FOOTER — 4-column structured light
══════════════════════════════════════ */
footer.csd-footer {
  background: var(--dark);
}
.csd-ft-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
}
.csd-ft-logo-mark {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.csd-ft-logo-mark svg { width: 16px; height: 16px; fill: #fff; }
.csd-ft-logo-text {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}
.csd-ft-logo-text span { color: var(--accent-mid); }
.csd-ft-desc {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,.32);
  line-height: 1.7;
  max-width: 220px;
  margin-bottom: 20px;
}
.csd-ft-socials { display: flex; gap: 8px; }
.csd-ft-soc {
  width: 33px;
  height: 33px;
  border-radius: 7px;
  border: 1px solid rgba(255,255,255,.09);
  color: rgba(255,255,255,.32);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}
.csd-ft-soc:hover { border-color: var(--accent-mid); color: var(--accent-mid); }
.csd-ft-col-title {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .9px;
  margin-bottom: 14px;
}
.csd-ft-links { display: flex; flex-direction: column; gap: 9px; }
.csd-ft-links a {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,.32);
  text-decoration: none;
  transition: color .15s;
}
.csd-ft-links a:hover { color: rgba(255,255,255,.75); }
.csd-ft-bottom {
  background: rgba(0,0,0,.2);
  border-top: 1px solid rgba(255,255,255,.04);
}
.csd-ft-copy { font-size: 12px; font-weight: 300; color: rgba(255,255,255,.18); }
.csd-ft-links-bottom { display: flex; gap: 20px; }
.csd-ft-links-bottom a {
  font-size: 12px;
  font-weight: 300;
  color: rgba(255,255,255,.2);
  text-decoration: none;
  transition: color .15s;
}
.csd-ft-links-bottom a:hover { color: rgba(255,255,255,.6); }

/* ══════════════════════════════════════
   ZALO FLOAT BUTTON
══════════════════════════════════════ */
.csd-zf {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.csd-zf-tip {
  font-size: 12px;
  background: var(--dark);
  color: rgba(255,255,255,.75);
  padding: 6px 12px;
  border-radius: 6px;
  opacity: 0;
  transform: translateX(6px);
  transition: all .2s;
  pointer-events: none;
  white-space: nowrap;
  border: 1px solid rgba(255,255,255,.07);
}
.csd-zf:hover .csd-zf-tip { opacity: 1; transform: none; }
.csd-zf-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #0068FF;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  font-size: 22px;
  box-shadow: 0 4px 18px rgba(0,104,255,.38);
  transition: transform .2s;
  cursor: pointer;
  color: #fff;
  text-decoration: none;
}
.csd-zf-btn:hover { transform: scale(1.08); }

/* ══════════════════════════════════════
   UTILITIES
══════════════════════════════════════ */
.csd-section-divider {
  height: 1px;
  background: var(--border-light);
  margin: 0;
}
.csd-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid var(--mint2);
  padding: 4px 12px;
  border-radius: 4px;
}
.csd-notice {
  background: var(--accent-light);
  border: 1px solid var(--mint2);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.6;
}